EP2642164B1 - Entraînement hydrostatique - Google Patents

Entraînement hydrostatique Download PDF

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Publication number
EP2642164B1
EP2642164B1 EP13159103.4A EP13159103A EP2642164B1 EP 2642164 B1 EP2642164 B1 EP 2642164B1 EP 13159103 A EP13159103 A EP 13159103A EP 2642164 B1 EP2642164 B1 EP 2642164B1
Authority
EP
European Patent Office
Prior art keywords
pressure
valve
pump
working
hydrostatic drive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP13159103.4A
Other languages
German (de)
English (en)
Other versions
EP2642164A2 (fr
EP2642164A3 (fr
Inventor
Bernd Kuhn
Matthias Beck
Patrick Hantke
Heinz-Gerhard Essig
Peter Delissen
Juergen Pastuschka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2642164A2 publication Critical patent/EP2642164A2/fr
Publication of EP2642164A3 publication Critical patent/EP2642164A3/fr
Application granted granted Critical
Publication of EP2642164B1 publication Critical patent/EP2642164B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0015—Disposition of motor in, or adjacent to, traction wheel the motor being hydraulic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B60W10/101—Infinitely variable gearings
    • B60W10/103—Infinitely variable gearings of fluid type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
    • B60W10/182—Conjoint control of vehicle sub-units of different type or different function including control of braking systems including control of parking brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4035—Control of circuit flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4043—Control of a bypass valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4157—Control of braking, e.g. preventing pump over-speeding when motor acts as a pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/356—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18072—Coasting
    • B60W2030/1809—Without torque flow between driveshaft and engine, e.g. with clutch disengaged or transmission in neutral

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Gearings (AREA)
  • Motor Power Transmission Devices (AREA)

Claims (16)

  1. Entraînement hydrostatique comprenant une pompe (10) de volume de travail variable, comprenant au moins un moteur hydraulique (6a, 6b) dont les raccords de travail peuvent être connectés à des raccords de travail de la pompe (10) dans un circuit hydraulique fermé par le biais d'une première branche de circuit et d'une deuxième branche de circuit, qui conduisent, dans un premier mode de fonctionnement, une pression élevée et une basse pression,
    comprenant une pompe d'alimentation (14) depuis laquelle du fluide peut être injecté dans les branches du circuit par le biais d'une conduite d'alimentation (32) dans laquelle la pression est limitée à une basse pression, et comprenant un agencement de soupapes qui, dans un deuxième mode de fonctionnement (Free Wheeling, ou de roue libre), sépare l'un de l'autre les raccords de travail de la pompe (10) et du moteur hydraulique (6a, 6b), relie l'un à l'autre les raccords de travail de la pompe (10) et relie les raccords de travail du moteur hydraulique (6a, 6b) à un réservoir,
    qui, dans un troisième mode de fonctionnement, (Stand-by, ou de veille) sépare les raccords de travail du moteur hydraulique du réservoir et les relie aux raccords de travail de la pompe (10) et en outre relie l'un à l'autre les deux raccords de travail de la pompe (10) et, dans le premier mode de fonctionnement, sépare l'un de l'autre les deux raccords de travail de la pompe (10) et sépare les deux raccords de travail du moteur hydraulique (6a, 6b) du réservoir et relie l'un des raccords de travail de la pompe (10) à un raccord de travail du moteur hydraulique (6a, 6b) et l'autre raccord de travail de la pompe (10) à l'autre raccord de travail du moteur hydraulique (6a, 6b), caractérisé en ce que l'agencement de soupape présente au moins cinq soupapes à 2/2 voies qui, par leur constellation de branchement respective, permettent d'ajuster les modes de fonctionnement.
  2. Entraînement hydrostatique selon la revendication 1, dans lequel les soupapes à 2/2 voies sont des soupapes intégrées à 2 voies (soupapes logiques) (76, 84, 86, 110, 112).
  3. Entraînement hydrostatique selon la revendication 2, dans lequel une soupape logique (76) relie l'une à l'autre les deux branches de circuit du côté de la pompe dans une position d'ouverture, un espace de ressort (80) de la soupape logique (76) pouvant être sollicité avec une pression élevée et pouvant être détendu en pression par le biais d'une soupape pilote à embrayage (78) en fonction de sa position de commutation.
  4. Entraînement hydrostatique selon la revendication 2 ou 3, dans lequel, dans chaque branche de circuit, est disposée une soupape logique (84, 86) qui, dans une position d'ouverture, ouvre la liaison de fluide sous pression entre un raccord de travail de la pompe (10) et le raccord de travail correspondant du moteur hydraulique (130).
  5. Entraînement hydrostatique selon la revendication 4, dans lequel une soupape pilote d'engagement (92) est associée en commun aux deux soupapes logiques (84, 86) dans les branches de circuit, son raccord de pression pouvant être connecté à une conduite conduisant la pression d'alimentation et son raccord de sortie pouvant être connecté au raccord de pression ou à un raccord de réservoir, le raccord de sortie de la soupape pilote d'engagement (92) étant connecté aux espaces de ressort (94, 96) des soupapes logiques (84, 86) dans les branches de circuit.
  6. Entraînement hydrostatique selon la revendication 5, dans lequel le moteur hydraulique (6a, 6b) présente un raccord de boîtier ouvert vers l'espace interne de son boîtier de moteur, qui est connecté au raccord de sortie de la soupape pilote d'engagement (92).
  7. Entraînement hydrostatique selon la revendication 5 ou 6, dans lequel une valve de débit (108) est disposée dans la conduite conduisant la pression d'alimentation.
  8. Entraînement hydrostatique selon l'une quelconque des revendications précédentes, dans lequel une soupape logique de décharge (soupape logique Unload) (110, 112) est raccordée par un premier raccord entre la soupape logique (84, 86) dans une branche de circuit et le moteur hydraulique (6a, 6b) au niveau de chaque branche de circuit, et son deuxième raccord est connecté au réservoir.
  9. Entraînement hydrostatique selon la revendication 7, dans lequel les deux soupapes logiques de décharge (110, 112) peuvent être commandées par le biais d'une soupape pilote de décharge commune (114).
  10. Entraînement hydrostatique selon la revendication 9, dans lequel la soupape pilote de décharge (114) sollicite un espace de ressort (116, 118) des soupapes logiques de décharge (110, 112) avec le réservoir dans une position de base, et avec la pression élevée dans une position de commutation.
  11. Entraînement hydrostatique selon l'une quelconque des revendications précédentes, dans lequel une soupape d'échange (120) est prévue, par le biais de laquelle une soupape pilote (78, 114) est connectée à la branche de circuit conduisant la pression élevée.
  12. Entraînement hydrostatique selon l'une quelconque des revendications précédentes, dans lequel les soupapes logiques (76, 84, 86, 110, 116) et les soupapes pilotes associées (78, 92, 114) sont réunies en une unité structurelle.
  13. Entraînement hydrostatique selon l'une quelconque des revendications précédentes, dans lequel, dans la conduite d'alimentation (32) raccordée au raccord de pression de la pompe d'alimentation (14), est disposé un filtre (40) auquel est associée une soupape de pression (38) qui est sollicitée par la différence de pression en travers du filtre (40) et dont l'espace de ressort agissant dans la direction d'ouverture peut être déchargé vers le réservoir par le biais d'une soupape de commande de pression d'alimentation (46).
  14. Entraînement hydrostatique selon la revendication 13, dans lequel, en aval du filtre (40) est disposée une soupape de limitation de la pression d'alimentation (48) qui s'ouvre vers le réservoir en cas de pression supérieure à celle de la soupape de pression (38) lorsque l'espace de ressort est déchargé.
  15. Entraînement hydrostatique selon l'une quelconque des revendications précédentes, dans lequel celui-ci est un entraînement de conduite pour un essieu de véhicule, dans lequel un moteur hydraulique est associé à chaque roue (8).
  16. Entraînement hydrostatique selon la revendication 15, comprenant un entraînement conventionnel pour l'autre essieu.
EP13159103.4A 2012-03-22 2013-03-14 Entraînement hydrostatique Not-in-force EP2642164B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201210005822 DE102012005822A1 (de) 2012-03-22 2012-03-22 Hydrostatischer Antrieb

Publications (3)

Publication Number Publication Date
EP2642164A2 EP2642164A2 (fr) 2013-09-25
EP2642164A3 EP2642164A3 (fr) 2015-06-10
EP2642164B1 true EP2642164B1 (fr) 2016-08-24

Family

ID=47901784

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13159103.4A Not-in-force EP2642164B1 (fr) 2012-03-22 2013-03-14 Entraînement hydrostatique

Country Status (3)

Country Link
EP (1) EP2642164B1 (fr)
BR (1) BR102013006658A2 (fr)
DE (1) DE102012005822A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3608138A1 (fr) 2018-08-09 2020-02-12 Robert Bosch GmbH Système d'entraînement hydraulique et véhicule comprenant le système d'entraînement hydraulique

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014226803A1 (de) * 2014-12-22 2016-06-23 Robert Bosch Gmbh Hydrostatische Radialkolbenmaschine
FR3140023A1 (fr) * 2022-09-22 2024-03-29 Poclain Hydraulics Industrie Pilotage d’une valve de mise en roue libre

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0993982B1 (fr) * 1998-10-12 2003-07-30 Poclain Hydraulics Industrie Dispositif d'assistance motrice pour un véhicule ayant une transmission principale mécanique

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1385013A (en) 1971-05-26 1975-02-26 Carron Hydraulics Ltd Fluid power transmission and control system for fluid motors for driving the front wheels of a vehicle
DE10303936A1 (de) 2003-01-31 2004-08-19 Brueninghaus Hydromatik Gmbh Hydraulischer Kreislauf und Spülvorrichtung
DE102004057740C5 (de) 2004-11-30 2008-09-11 Brueninghaus Hydromatik Gmbh Hydraulischer Kreislauf mit Speisepumpe
DE102004061861B4 (de) 2004-12-22 2008-06-19 Brueninghaus Hydromatik Gmbh Druckabschneidungsventileinheit und damit versehener hydraulischer Kreislauf
DE102005061991A1 (de) * 2005-12-23 2007-07-05 Bosch Rexroth Aktiengesellschaft Hydrostatischer Antrieb
DE102006016006B4 (de) * 2006-04-05 2007-12-27 Abg Allgemeine Baumaschinen-Gesellschaft Mbh Hydrostatischer Fahrantrieb
WO2009065556A1 (fr) * 2007-11-20 2009-05-28 Robert Bosch Gmbh Entraînement hydrostatique et procédé pour faire fonctionner un véhicule

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0993982B1 (fr) * 1998-10-12 2003-07-30 Poclain Hydraulics Industrie Dispositif d'assistance motrice pour un véhicule ayant une transmission principale mécanique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3608138A1 (fr) 2018-08-09 2020-02-12 Robert Bosch GmbH Système d'entraînement hydraulique et véhicule comprenant le système d'entraînement hydraulique

Also Published As

Publication number Publication date
EP2642164A2 (fr) 2013-09-25
DE102012005822A1 (de) 2013-09-26
BR102013006658A2 (pt) 2015-06-09
EP2642164A3 (fr) 2015-06-10

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